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You searched for: mediatype:texts AND collection:penn_state_univ AND subject:"Natural Resources"
[texts]Conservation education [microform] - Federal Writers' Project (Pa.)
By Ethel G. Eisenberger, Jackson C. Trueitt and Jacob Silverstein. cf. Note
Keywords: Conservation of natural resources
Downloads: 354
[texts]Planning for a civil operational land remote sensing satellite system : a discussion of issues and options - United States. National Oceanic and Atmospheric Administration. Satellite Task Force
"June 20, 1980."
Keywords: Earth resources technology satellites; Remote sensing; Natural resources; Satellites de télédétection des ressources terrestres; Télédétection
Downloads: 73
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